<!DOCTYPE html>
<!--
@license
Copyright 2019 Google LLC

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<html>
<head>
<meta charset="utf-8">
<title>Diff Viewer</title>
<script src="outputs/test_output.js"></script>
<script>
'use strict';
function start() {

  var test_list = results.tests;

  var table = document.getElementById('results_table');

  for (var i = 0, test; test = test_list[i]; i++) {
    addTest(table, test);
  }
}

function addTest(table, test) {
  var row = table.insertRow(-1);
  var className = 'tableRow';
  if (test.state == 'failed') {
    className += ' failedTest'
  } else {
    className += ' passedTest';
  }
  row.className = className;
  var cell1 = row.insertCell(0);
  cell1.innerHTML = test.title;
  var displayed = (test.state == "failed")
  cell1.displayed = displayed;
  cell1.className = 'testName';
  var cell2 = addImageCell(row, test.title, 'old', displayed);
  var cell3 = addImageCell(row, test.title, 'new', displayed);
  var cell4 = addImageCell(row, test.title, 'diff', displayed);

  cell1.onclick = function() {
    var display = !cell1.displayed;
    cell1.displayed = display;
    setVisibility(cell2, display);
    setVisibility(cell3, display);
    setVisibility(cell4, display);
  }

}

function setVisibility(cell, displayed) {
  var img = cell.firstChild;
  if (displayed) {
    img.className = '';
  } else {
    img.className = 'hidden';
  }
}
function addImageCell(row, name, dir, displayed) {
  var cell = row.insertCell();
  cell.className = 'imageCell';
  var img = document.createElement('img');
  img.src = 'outputs/' + dir + '/' + name + '.png';
  cell.appendChild(img);
  if (!displayed) {
    img.className = 'hidden';
  }
  return cell;
}
</script>

<style>
.imageCell {
  width: 30%;
  overflow: hidden
}
.hidden {
  display: none;
}
.testName {
  cursor: pointer;
}
.failedTest .testName {
  background: lightgrey;
}
.passedTest .testName {
  background: forestgreen;
}
td {
  border: 1px solid black;
}
th {
  border: 1px solid black;
}

table {
  width: 100%;
  table-layout: fixed;
  border-collapse: collapse;
  border: 1px solid black;
}

</style>
</head>
<body onload="start()">
  <div>
    <table id="results_table">
      <tr>
        <th style="width:100px">Test name</th>
        <th>Old</th>
        <th>New</th>
        <th>Diff</th>
      </tr>
  </div>
</body>
</html>
